Biology for IGCSE & O level - Coordination And Response (Section 6 - No. 24)
What is the sequence of the reflex arc pathway?
Sensory neuron -> Relay neuron -> Motor neuron -> Effector
Receptor -> Motor neuron -> Relay neuron -> Effector
Receptor -> Relay neuron -> Sensory neuron -> Effector
Effector -> Relay neuron -> Sensory neuron -> Receptor
Explanation
Sensory neuron to relay neuron to motor neuron and finally to the effector.
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